* {
    margin: 0;
    padding: 0;
}
html,body,#app {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}
/*  */
#app {
    height: 100%;
    min-width: 1366px; ;
}
.el-cascader-menu{
    height: 330px;
}